Kit 4 delivers the most versatile Sentinel system: two 24ft telescopic poles, two heavy-duty water-fillable ballast bases, a rigid telescopic crossbar, and 82ft of high-visibility flagging. Pick this over the other kits when you need both easy portability and the superior performance of a crossbar that stays more secure in challenging weather while delivering clearer height restriction warning.
Each kit includes the following:
- 2 x Heavy-duty plastic ballast bases
- 2 x 24ft Telescopic poles
- 1 x Solid telescopic crossbar
- 1 x 82ft of High-visibility flagging (bunting)



